There are multiple definitions:

1. nonadrenergic, noncholinergic [bronchodilating system](English)

   • a third component of the autonomic nervous system; this produces bronchodilation, which may be impaired in the early morning
   • ANS, PNS, SNS
   • Pulmonology, Sleep medicine, Nervous activity - (para)sympathetic, Asthma
   • https://doi.org…60797-7/50100-2

2. no-asthma no-COPD(English)

   • economic burden in this group is less than in ACO
   • COPD, ACO
   • Asthma, Pulmonology, Financial issues
   • https://doi.org…55.2021.1909549